Column not found cause i have diffirent coloumns name in my table

i have some issue when i wanna count row from relation table

i have 2 tables users and threads i wanna count all threads by id_user.

this in User model

public function thread(){
        return $this->hasMany('App\Thread');
    }
    
protected $primaryKey = "id";

this in Thread Model

protected $primaryKey = "id";

public function user(){

    return $this->belongsTo('App\User','id_users');
}

i try to count in my view like this

and this is my index method in controller

public function index()
{
    $users = Auth::user();
    $threads = Thread::orderBy('created_at','desc')
            ->get();

    return view('/home',compact('threads','users'));
}

i just put descending for showing data in my controller.

anyone have solution for this issue ???

via Chebli Mohamed